Gamble volcanic center |
active, inferred |
arc volcano |
Kermadec Arc |
-27.2000 |
-177.4100 |
250 |
2004 plume and dredging NZAPLUME III expedition |
Alarcon Rise/Tamayo intersection |
active, inferred |
mid-ocean ridge |
Gulf of California |
23.2336 |
-108.6168 |
2358 |
2015 ROV Doc Ricketts did not confirm activity |
MTJ, T08C03 and T08C04 |
active, inferred |
back-arc spreading center |
Lau Basin |
-15.6100 |
-174.8200 |
2300 |
2008 plume only |
EPR, 11 07'N |
active, inferred |
mid-ocean ridge |
N EPR |
11.1330 |
-103.7800 |
2580 |
1988 submersible Alvin dive #1989 (need reference to confirm activity); 1991 plume only |
CIR, 8-17 S, Segment 5, 12.25 S |
active, inferred |
mid-ocean ridge |
CIR |
-12.2500 |
65.7000 |
4000 |
2010 plume only |
Solwara 19 |
active, inferred |
back-arc spreading center |
Manus Basin |
-3.6660 |
148.7640 |
1039 |
2009 commercial ROV Fugro FV300 (activity not confirmed) |
Rakahore volcanic center |
active, inferred |
arc volcano |
Kermadec Arc |
-26.8100 |
-177.4000 |
1200 |
2004 plume and dredging NZAPLUME III expedition |
Gakkel Ridge, Site 8 |
active, inferred |
mid-ocean ridge |
Gakkel Ridge |
86.5333 |
69.0000 |
3500 |
2001 plume only |
Tonga Arc, Volcano D |
active, inferred |
arc volcano |
Tonga Arc |
-19.4500 |
-174.9167 |
760 |
2004 plume only |
Area EX/FX |
active, inferred |
mid-ocean ridge |
CIR |
-21.4000 |
68.7666 |
3300 |
1986 plume and sediments |
C-ELSC, plume 15 |
active, inferred |
back-arc spreading center |
Lau Basin |
-21.2700 |
-176.3470 |
2230 |
2004 plume only |
GEISEIR site 16, segment L3 |
active, inferred |
mid-ocean ridge |
SEIR |
-41.5883 |
87.2615 |
2500 |
2010 plume only |
Carlsberg Ridge, CR2003 |
active, inferred |
mid-ocean ridge |
Carlsberg Ridge |
6.0500 |
60.9500 |
3500 |
2003 plume only; 2007 plume only |
EPR, 17 53'S |
active, inferred |
mid-ocean ridge |
S EPR |
-17.8800 |
-113.3000 |
2610 |
1993 plume only |
MAR, 30 S |
active, inferred |
mid-ocean ridge |
S MAR |
-29.9505 |
-13.8545 |
3379 |
2013 plume only |
Tonga Arc, Volcano 16 |
active, inferred |
arc volcano |
Tonga Arc |
-24.1883 |
-176.8217 |
1400 |
2003 plume and dredge only |
Sumisu Rift |
active, inferred |
back-arc spreading center |
Izu-Bonin back-arc |
31.1000 |
139.8917 |
1600 |
1987 submersible Alvin inactive chimneys only |
MAR, 7 57'S |
active, inferred |
mid-ocean ridge |
S MAR |
-7.9500 |
-13.4420 |
2600 |
2001 plume only |
EPR, 14 35'S |
active, inferred |
mid-ocean ridge |
S EPR |
-14.5830 |
-112.6670 |
2630 |
1993 plume only |
San Cristobal arc, Target M |
active, inferred |
arc volcano |
Solomons Arc |
-10.4000 |
164.7500 |
2000 |
2002 plume and dredge only |
Kos, south |
active, inferred |
arc volcano |
Hellenic Arc, Aegean Sea |
36.6667 |
27.2500 |
450 |
1997 plume only |
Duanqiao |
active, inferred |
mid-ocean ridge |
SWIR |
-37.6579 |
50.4671 |
1780 |
2008 video and TV-grab DY115-20 Leg 5; 2015 TV-grab DY125-34 |
GEISEIR site 23, segment M2 |
active, inferred |
mid-ocean ridge |
SEIR |
-42.0272 |
89.2205 |
2400 |
2009 plume only |
MAR, 17 S |
active, inferred |
mid-ocean ridge |
S MAR |
-17.2522 |
-14.2270 |
3280 |
2013 plume only |
FRSC, RC 129 and CTD 24 plume sites |
active, inferred |
back-arc spreading center |
Lau Basin |
-17.0250 |
-174.5017 |
1750 |
2004 plume only; 2004 dredging |
EPR, 21 20'S |
active, inferred |
mid-ocean ridge |
S EPR |
-21.3670 |
-114.2570 |
2900 |
1981 plume only; 1987-1988 deposits only |
SWIR, D57 |
active, inferred |
mid-ocean ridge |
SWIR |
-52.2240 |
13.7380 |
3517 |
2000-2001 plume and dredge only |
EPR, 28.4 S, Segment W4 |
active, inferred |
mid-ocean ridge |
S EPR |
-28.4170 |
-112.9640 |
2350 |
1998 plume only |
Su Causeway |
active, inferred |
mid-ocean ridge |
SWIR |
-38.1000 |
48.6000 |
3000 |
2014 leg 2 or 3 of the 30th Chinese Cruise |
GEISEIR site 5, segment K1 |
active, inferred |
mid-ocean ridge |
SEIR |
-41.2420 |
81.1580 |
2860 |
1996 plume only; 2007 plume only |